An FM transmitter is a way to increase the functionality of an older type of car stereo. This little gadget makes it possible to transfer music files from portable devices, so the driver and passengers are not limited to the music selection of the radio stations alone. The transmitter has a potentiometer with an integrated multi-function button that simplifies use to a minimum. - Compatibility + Bluetooth 5.0: Works with both IOS and Android devices. The connection is via Bluetooth 5.0 technology, which makes it possible to wirelessly listen to music from your phone and apps such as OpenFM, Spotify or YouTube. - Three Inputs 2 X USB including Fast Charging and USB-C: Has two charging inputs, including a fast charger 3.1 and a data transfer input, so you can use it not only to send music files to the car stereo, but also to charge your smartphone. In addition, it can be used as a hands-free device. - Universal: Fits most versions of the car's cigarette lighter socket. In addition, the transmitter is compact in size. This kind of gadget will not take up valuable space in the car, and when plugged into the cigarette lighter socket, it becomes almost imperceptible. Specification: Material: Aluminum<plasticbr><br>Input voltage: 12-24V Compatible with IOS and Android Dimensions: 7.5 x 4.5 x 4.7 cm Weight: 0.040 kg What's in the package: Bluetooth transmitter Mounting kit